kairiri kairiri
  • 15-02-2014
  • Mathematics
Answered

A rectangular room is four times as long as it is wide, and its perimeter is 70 meters. Find the width of the room. 



Answer :

Аноним Аноним
  • 15-02-2014
W=3/4L
P=2L=2W
70=2L+2(3/4L)
70=2L+6L/4
70=2L+1.5L
70=3.5L
L=70/3.5
L=20 FT. ANS. FOR THE LENGTH.
W=4/4*20=15 ANS. FOR THE WIDTH


i think.
Answer Link
jasleensidhu97
jasleensidhu97 jasleensidhu97
  • 15-02-2014
2(4w) + 2w = 70
8w + 2w = 70
10w = 70
W= 7 m

Again, you just have to learn to make the equations. :)
Answer Link

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